Add basic oauth flow

Author: emersion

src/backend/core/api/viewsets.py

@@ -20,6 +20,7 @@
 from django.http import Http404, StreamingHttpResponse
 from django.urls import reverse
 from django.utils.functional import cached_property
+from django.shortcuts import redirect
 from django.utils.text import capfirst, slugify
 from django.utils.translation import gettext_lazy as _
 
@@ -2072,3 +2073,42 @@ def _load_theme_customization(self):
             )
 
         return theme_customization
+
+notion_client_id = "206d872b-594c-80de-94ff-003760c352e4"
+notion_client_secret = "XXX"
+notion_redirect_uri = "https://emersion.fr/notion-redirect"
+
+@drf.decorators.api_view()
+def notion_import_redirect(request):
+    query = urlencode({
+        "client_id": notion_client_id,
+        "response_type": "code",
+        "owner": "user",
+        "redirect_uri": notion_redirect_uri,
+    })
+    return redirect("https://api.notion.com/v1/oauth/authorize?" + query)
+
+@drf.decorators.api_view()
+def notion_import_callback(request):
+    code = request.GET.get("code")
+    resp = requests.post(
+        "https://api.notion.com/v1/oauth/token",
+        auth=requests.auth.HTTPBasicAuth(notion_client_id, notion_client_secret),
+        headers={"Accept": "application/json"},
+        data={
+            "grant_type": "authorization_code",
+            "code": code,
+            "redirect_uri": notion_redirect_uri,
+        },
+    )
+    resp.raise_for_status()
+    data = resp.json()
+    request.session["notion_token"] = data["access_token"]
+    return redirect("/api/v1.0/notion_import/run")
+
+#@drf.decorators.api_view(["POST"])
+@drf.decorators.api_view()
+def notion_import_run(request):
+    if "notion_token" not in request.session:
+        raise drf.exceptions.PermissionDenied()
+    return drf.response.Response({"sava": "oui et toi ?"})

src/backend/core/urls.py

@@ -58,6 +58,16 @@
                     r"^templates/(?P<resource_id>[0-9a-z-]*)/",
                     include(template_related_router.urls),
                 ),
+                path(
+                    "notion_import/",
+                    include(
+                        [
+                            path("redirect", viewsets.notion_import_redirect),
+                            path("callback", viewsets.notion_import_callback),
+                            path("run", viewsets.notion_import_run),
+                        ]
+                    ),
+                ),
             ]
         ),
     ),